diff --git a/.eslintrc.js b/.eslintrc.js
index fdb7a3d1..8e528b55 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -57,6 +57,11 @@ module.exports = {
     react: {
       version: '16',
     },
-    'import/core-modules': ['griffith', 'griffith-mp4'],
+    'import/core-modules': [
+      'griffith',
+      'griffith-mp4',
+      'griffith-utils',
+      'griffith-message',
+    ],
   },
 }
diff --git a/.travis.yml b/.travis.yml
index 34ce1802..e6975fe8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,13 +1,12 @@
 language: node_js
 
 node_js:
-  - 8
   - 10
 
 script:
-  - yarn run build
-  - yarn run lint
   - yarn run format
+  - yarn run lint
+  - yarn run build
   - yarn run test:coverage
 
 after_success:
@@ -19,4 +18,4 @@ notifications:
 cache:
   yarn: true
   directories:
-    - "node_modules"
+    - 'node_modules'
diff --git a/package.json b/package.json
index decab40a..7ceebffc 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "zhihu-video-player"
   ],
   "scripts": {
-    "format": "prettier \"packages/**/*.{js,json,md}\" \"*.{js,json,md}\"",
+    "format": "prettier --check \"packages/**/*.{js,json,md}\" \"*.{js,json,md}\"",
     "format:fix": "prettier --write \"packages/**/*.{js,json,md}\" \"*.{js,json,md}\"",
     "lint": "eslint 'packages/*/src/**/*.js' '*.js'",
     "test": "jest",
diff --git a/packages/griffith-standalone/package.json b/packages/griffith-standalone/package.json
index 354e2ea7..4fd28211 100644
--- a/packages/griffith-standalone/package.json
+++ b/packages/griffith-standalone/package.json
@@ -14,6 +14,7 @@
     "build": "webpack -p"
   },
   "devDependencies": {
+    "babel-loader": "^8.0.5",
     "griffith": "^1.4.4",
     "react": "16.4.2",
     "react-dom": "16.4.2",
diff --git a/yarn.lock b/yarn.lock
index 5eb04070..4afccaf0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2287,7 +2287,7 @@ babel-jest@^24.6.0:
     chalk "^2.4.2"
     slash "^2.0.0"
 
-babel-loader@^8.0.4:
+babel-loader@^8.0.4, babel-loader@^8.0.5:
   version "8.0.5"
   resolved "https://registry.yarnpkg.com/babel-loader/-/babel-loader-8.0.5.tgz#225322d7509c2157655840bba52e46b6c2f2fe33"
   integrity sha512-NTnHnVRd2JnRqPC0vW+iOQWU5pchDbYXsG2E6DMXEpMfUcQKclF9gmf3G3ZMhzG7IG9ji4coL0cm+FxeWxDpnw==